Artistic Director

Dr. R Paul Crabb

R. Paul Crabb, Artistic Director of Prometheus, also serves as University of Missouri’s Director of Choral Activities. He earned degrees in Music Education, Vocal Performance and Choral Music Education. His ensembles have performed at state, regional and national conventions and have traveled extensively, performing in Mexico, Germany, Austria, Italy, Hungary, Slovakia, Czech Republic, Russia, Bulgaria and Australia. Crabb also served as assistant conductor at the Russian/American Choral Symposium for two years where his choir was invited as the resident American choir at the Moscow Conservatory. He served for one year as a visiting professor in Salzburg, Austria, where he taught and worked with the choir of the Salzburg Cathedral. He has taught eighteenth-century music in London, England, and studied sixteenth century polyphony in Italy with the renowned Peter Phillips. More recently he served as Guest Visiting Choral Professor at the Liszt Academy of Music in Budapest, Hungary - the first American selected for that position. In 2007 he became the first American conductor invited to lecture in the Choral Department at the University of Vienna’s Universität für Musik und Darstellende Kunst, before performing and lecturing that same year in Italy and Taiwan. In 2008 Crabb accepted the position as Resident Guest Conductor of the Baroque Orchestra of Domenica Cimarosa in Avellino, Italy, where he has conducted performances in the Naples and the Amalfi Coast region for the past several years and recently completed a recording project with the same ensemble. He also accepted a position as the resident conductor for the Dante Music and Arts Festival in Nagoya, Japan during March of 2010. Invitations for 2011-12 included California, New York, Washington, D.C., Italy, Austria and Brazil. Conducting engagements for 2013 include returns to Austria, Italy, Hungary and Brazil.

Under Crabb’s leadership, MU’s University Singers have been recognized as one of the premiere university choirs in the United States. In November of 2009, they were invited to perform at the national convention of the National Collegiate Choral Organization at Yale University--one of nine choirs selected by audition from across the U. S. In May of 2010 they accepted an invitation to perform at some of the most prestigious venues in Milan, Bologna, Rome and Salerno, Italy. This tour was sponsored by several institutions in these cities, as well as the office of the U. S. Consulate General in Naples. In January 2011 they performed by invitation at the Missouri Music Educators Association state convention. In March of that same year, they traveled to Chicago following an acceptance of an invitation to perform at the national convention of the American Choral Directors Association during a session on eighteenth-century performance practice. This same ensemble was the featured choir for a residency of Peter Phillips of the Tallis Scholars in April of 2012. In November of 2012, Crabb hosted Dr. Joseph Flummerfelt’s residency during which he worked with students and conducted a performance of Choral Union’s Lord Nelson Mass. In January of 2013 they returned to Missouri Music Educators Association conference as one of three collegiate choirs featured for the special 75th Anniversary convention.

Crabb is active as a clinician and conductor for district, regional and all-state choirs. His published research has appeared in the MENC research journal Update and Choral Journal. He has also published editions of choral music with several major publishers in the U. S.

Assistant Conductor

Emily Edgington Andrews

An advocate for quality musical arts in the community, Emily Edgington Andrews is extremely active in Columbia, working with children and adults at every level of musical development.

Edgington is the Fine Arts Department Chair and vocal music teacher at Columbia Independent School, the city’s only college preparatory campus. At CIS, she conducts six choral ensembles, teaches music theory, and leads music enrichment sessions to students in grades 6-12. Passionate about exposing students to quality choral music education, she has received recognition for her work in the classroom over the years, most recently having been awarded the Charles J. McClain Distinguished Teaching Award.

Edgington proudly serves as Choir Director at the historic Sacred Heart Catholic Church in Columbia, MO, where she maintains a thriving music program, conducting the 40-member Adult Choir of volunteer and paid musicians.

Edgington has worked with numerous civic groups in short and long-terms projects, most notably serving as the newly appointed Artistic Director the Columbia Chorale.

Edgington is the Assistant Conductor for Prometheus: An American Vocal Consort, where she manages and assists Artistic Director R. Paul Crabb in conducting the highly sought-after ten-member ensemble.

Edgington maintains a busy schedule as a private voice teacher, clinician, and adjudicator. She is an active member of the American Choral Directors Association and the Missouri Music Educators Association.

Edgington received her degrees in Music at Truman State University, Kirksville, Missouri (B.A.; M.A.), and at the University of Missouri-Columbia (M.M.).

Founder and Coordinator

Kyle Stegall

Kyle Stegall enjoys a career spanning concert, opera, recital and chamber repertoire. In the 2012 season Kyle appeared as soloist with Simon Carrington, Joseph Flummerfelt, Masaaki Suzuki, Nicholas McGegan, and David Hill among others. In the coming season, Kyle looks forward to performances of the Evangelist in Bach’s St. John Passion with Mo. Suzuki in Alice Tully Hall and to Britten’s Serenade for Tenor, Horn and Strings at Mount Holyoke University.

Engaged frequently as a concert soloist, recent appearances have included works such as Stravinsky’s Pulcinella, Bach’s Matthaeus-Passion, Handel’s Messiah and Alexander’s Feast, and many works of J.S. Bach such as his Mass in b minor and various cantatas with ensembles such as Juilliard 415, Windsor Symphony Orchestra, and Yale Symphony Orchestra.

This summer Kyle Tours Japan and Singapore with Mo. Suzuki singing as soloist in performances of Bach’s Mass in b minor. He will also appear with the Yale Voxtet in The Peoples Republic of Myanmar before traveling to Suffolk, U.K. to be in residence at the world-renowned Britten-Pears Young Artist Development Programme. The program is part of the Aldeburgh Music Festival, and will feature Kyle in recitals of the music of Benjamin Britten and Franz Schubert with his frequent collaborator Steven McGhee.

A zealous chamber musician and ensemble singer, Kyle recently made his University Musical Society debut in Ann Arbor, MI in collaboration with pianist Martin Katz singing the Brahms Liebeslieder Waltzes. He is also a founding member of Prometheus: an American Vocal Consort. He sings in Yale University’s Voxtet, an ensemble made up of professional graduate students in the Institute of Sacred Music, and as part of the professional choir at Trinity Church in Southport, CT.

On the operatic stage, Kyle has been seen in Baroque, Classic, Romantic, and Contemporary repertoire. Notable among his roles are Arturo in Lucia di Lammermoor, Tamino in Die Zauberflöte, Flute in A Midsummer Night’s Dream, Laurie in Little Women, Le Chevalier Danois in Gluck’s Armide, and Little Bat in Susannah.

Kyle received his Bachelor of Music degree from the University of Missouri School of Music in his hometown of Columbia under the tutelage of Ann Harrell. He then earned his Master of Music degree from the University of Michigan School of Music, Theatre and Dance where he was a pupil of Caroline Helton. He is now pursuing studies at Yale University’s School of Music under the guidance of James Taylor.


Jordan Black

Jordan completed his Bachelors in Music Ed. at the Univ. of Missouri-Columbia and his Masters in Ed. Admin. at Lindenwood Univ. Beginning fall of 2012, Jordan will teach choir at Parkway Northeast Middle School, having previously taught music at River Bend Elementary School and assisted with the Parkway Central High School choir program. Outside of Parkway, Jordan serves as a director with the Kirkwood Children’s Chorale and arranges music for various school and community choral ensembles. Aside from Prometheus, Jordan also sings bass in Vocal Edge, St. Louis' premier vocal band.

Eric Dalbey

Eric Dalbey (St. Louis) - countertenor - Eric has a BS in Biology and a BA in Vocal Performance and has recently graduated from Covenant Theological Seminary with a Master of Arts in Music and Worship. He has finished his second year of teaching worship arts and music classes at Missouri Baptist University. He has also recently accepted a position teaching voice at Webster University.

Eric also enjoys singing in the 2012 International Men's Chorus champions, the Ambassadors of Harmony as well as the 2006 International Men's Quartet champions, Vocal Spectrum. With these ensembles, he has traveled to forty-six states and seventeen countries, giving him opportunities to share the stage with artists such as Dick Van Dyke, the Beijing Symphony Orchestra, Take 6 and the Real Group. For the past five years, he has had the privilege of making the final callbacks for the Grammy Award-winning vocal group, Chanticleer, as both tenor and alto.

Frank Fleschner

Tenor Frank Fleschner is an accomplished choral musician having just finished his eighth season with the Grammy Award-winning Kansas City Chorale and also appearing on their Grammy Award-winning recording Life and Breath. His tenure with the Chorale has afforded him the opportunity to work closely with and debut works by several prominent composers such as Mark Hayes, James Q. Mulholland, René Clausen, and Eric Whitacre. As a soloist, Frank has appeared in Handel’s Messiah and Bach’s Johannes-Passion (Evangelist).

Frank graduated from Truman State University in 2005 with a Bachelor of Arts Degree in Music and currently studies singing with David Adams.

Frank resides in Kansas City, Missouri, where he excels as a technology professional and consultant.

Christine Jarquio

Christine Jarquio, mezzo-soprano, just completed a dual Master of Music in Voice Performance and Choral Conducting from the University of Missouri, where she also holds a Bachelor of Science degree in Vocal Music Education. She sang in University Singers and traveled with them on their Eastern European tour in summer of 2006. Performances included scenes programs and fully staged productions with the Show-Me Opera. For two summers, Christine was part of the Janiec Opera Company at the Brevard Music Festival, where she performed in several opera productions and scenes. In 2012 she was selected as a winner of the Emerging Artists Competition and also won the regional division of the Classical Singer Competition. She has appeared as soloist in Handel’s Messiah, J. Michael Haydn’s Missa Sancti Hieronymi, Bach’s Gottes Zeit ist die allerbeste Zeit, and Vivaldi’s Magnificat, RV610. Most recently, she sang the role of Dorabella in MU’s spring 2013 production of Mozart’s Così fan tutte.

As a conductor, Christine directed a women’s chamber chorus in the fall of 2012. In the spring of 2013, she conducted the Ars Nova ensemble and presented a concert in collaboration with the Art and Archaeology department at MU. In May, Christine became the music director of the Sunrise Singers at New Horisons United Methodist Church in Columbia. 
Christine has also played the accordion since age 6 and studied under Professor Emerita Joan Cochran Sommers at the University of Missouri-Kansas City. In October of 2003, she earned the privilege of representing the United States at the Confédération Internationale des Accordéonistes in Hungary and Slovakia. Though she no longer competes, Christine plays in the UMKC Accordion Orchestra when she is in Kansas City.

This coming year, Christine will be teaching vocal music to grades 6-8 in the Columbia Public School District.

Lindsey Lang

Lindsey Lang, soprano, is known for her bold interpretations of early music with a “tone [of] pure, radiant sunshine.” She has appeared as soloist with modern and period orchestras nation-wide and has sung in main-stage events for early music festivals in Berkeley, Bloomington, New Brunswick, New York, and Quito, Ecuador. In addition to Prometheus, Lindsey currently sings with the Grammy-winning Kansas City Chorale, ¡Sacabuche!, the Simon Carrington Chamber Singers, and Spire. Lindsey graduated with a Master’s degree in Choral Conducting from the University of Missouri in 2008 and then studied at the Early Music Institute at Indiana University for two years. She currently serves as Music Director for Asbury United Methodist Church in Kansas City, where she resides with her singer husband Frank.

Gabe Lewis-O’Connor

Gabe Lewis-O’Connor, bass, recently received a master’s degree in choral conducting from the University of Missouri-Kansas City, after singing for four years with the vocal ensemble Chanticleer. Raised in Lawrence, Kansas, Gabe received a bachelor’s degree in vocal performance from Lawrence University in Appleton, Wisconsin. Gabe is now the Director of Marketing and Public Relations for the choral music learning resource Choral Tracks, and lives in Kansas City with his wife Lauren and their feisty two year-old son, Eamon.

Arwen Myers

Praised for her musical sensitivity and clarity of tone, soprano Arwen Myers is quickly gaining a reputation as one of today’s most intelligent and skilled interpreters of new and early music. She has been featured as a soloist in such works as Bach’s Johannespassion, B Minor Mass, and Magnificat, Handel’s Messiah and Judas Maccabeus, Respighi’s Laud to the Nativity, and Monteverdi’s Vespers of 1610, among others, has appeared with such ensembles as the Indianapolis Symphony Orchestra, the Cincinnati Symphony Orchestra, and the Indianapolis Baroque Orchestra. During the 2012-13 season, Ms. Myers has appeared with the Portland Baroque Orchestra and Trinity Choir as the soprano soloist for Bach’s Magnificat and BWV 140 Wachet auf, with Aguavá New Music Studio and the Notre Dame Festival Chorus for James MacMillan’s Seven Last Words from the Cross, and with the Incendo Music Ensemble and Gonzaga University Choir for Mozart’s Vesperae solennes de confessore and Bach Magnificat. In April, she was a semifinalist in the prestigious New York Oratorio Society Solo Competition in New York City.

A versatile artist equally comfortable singing a wide range of styles and repertoire, Ms. Myers has been featured in the premieres of several new works, including Pulitzer Prize-winning composer John Harbison’s A Clear Midnight in 2009 and Gabriela Ortiz's video-opera ¡Unicamente la Verdad! in 2008. In spring 2011, she sang the role of Juliet in a touring production of award-winning composer Don Freund’s Romeo & Juliet, and in the spring of 2012 recorded his cycle Memory Wheel, which was composed by Freund for Ms. Myers, mezzo-soprano Laura Thoreson, and Native American flautist and former principal flautist of the Philadelphia Orchestra James Pellerite. Upcoming performances include a number of solo recitals in the Portland area, as well as appearances with Portland-based Resonance Ensemble and Trinity Choir.

Ms. Myers holds both bachelor’s and master’s degrees in vocal performance from the Indiana University Jacobs School of Music, where she also completed a Performer Diploma under the instruction of Patricia Brooks Havranek. She is a native of Augusta, GA.

Laura Thoreson

Praised for her warm, rich tone quality, sensitive musicality, and compelling stage presence, mezzo-soprano Laura Beckel Thoreson is a rising presence in the opera and concert world.

Equally at home in the opera house, on the concert stage, and in the recital hall, Ms. Thoreson has appeared as a guest artist with such groups as Indianapolis Opera, Augusta Opera, Utah Festival Opera, Indiana University Opera Theatre, the Portland Baroque Orchestra, Indianapolis Symphony Orchestra, Lafayette Symphony Orchestra, and more, and has been a four-time guest artist with the Cincinnati Symphony Orchestra.

Ms. Thoreson has performed as a soloist in many concert works, including Bach's B Minor Mass, Magnificat, and St. John Passion, Handel's Judas Maccabeus and Messiah, Haydn's Lord Nelson Mass, Mendelssohn's Elijah, Mozart's Coronation Mass and Solemn Vespers, and many more.

Opera roles include Nefertiti (Philip Glass' Akhnaten), the Old Lady (Bernstein's Candide), La Zia Principessa (Puccini's Suor Angelica), Jo March (Adamo's Little Women), Orfeo (Gluck's Orfeo ed Euridice), and Dido (Purcell's Dido and Aeneas). Opera scenes--prepared under the tutelage of world-renowned soprano Carol Vaness--include Dame Quickly (Verdi's Falstaff), Adalgisa (Bellini's Norma), Hansel (Humperdinck's Hansel und Gretel), Nerone (Monteverdi's L'incoronazione di Poppea), Rosina (Rossini's Il barbiere di Siviglia) and Suzuki (Puccini's Madama Butterfly).

In 2012, Ms. Thoreson was invited to give a recital at the Kennedy Center in Washington, D.C. as part of the Conservatory Project, where she performed the Seguidilla from Bizet's Carmen, Manuel de Falla's Siete canciones populares espanolas, and Rossini's Canzonetta Spagnuola. Fortunate to be married to skilled collaborative pianist Joel Thoreson, Ms. Thoreson enjoys performing recitals in a wide variety of musical genres, including classical art song, early and new music, musical theater, and jazz.

Also in 2012, Ms. Thoreson was honored to record Don Freund's Medicine Wheel, a duet cycle for soprano and mezzo-soprano written for Ms. Thoreson, soprano Arwen Myers, and Native American flautist and former principal flautist of the Philadelphia Orchestra James Pellerite. An advocate for new music, Ms. Thoreson has enjoyed appearing with the IU New Music Ensemble (Eric Lindsay's award-winning Piano) and Contemporary Vocal Ensemble (Arvo Part's Missa Syllabica), in addition to other contemporary music groups.

A great choral music enthusiast, Ms. Thoreson has been a member of several professional ensembles, including The Kammerbach Ensemble, Aguava New Music Studio, Apollo's Voice, and Vox Reflexa. She has also had the pleasure of performing with several high-level university choirs throughout her college career, including Indiana University's Contemporary Vocal Ensemble, and early music ensemble Pro Arte Singers. Ms. Thoreson also served as the alto section leader at Northminster Presbyterian Church in Indianapolis, IN.

In addition, Ms. Thoreson has worked at AireBorn Studios in Indianapolis as a recording artist for Boosey and Hawkes, Hal Leonard, and several other major music publishing companies.

Recent engagements include performances as Nefertiti in Philip Glass’ Akhnaten with Indianapolis Opera and Indiana University Opera Theater, the Bach Magnificat and Mozart Solemn Vespers with Incendio Music Ensemble and the Gonzaga University Choir in Spokane, WA, and several masterclasses and vocal clinics in Washington and Oregon.

Ms. Thoreson is a current Performer Diploma candidate at the Jacobs School of Music at Indiana University, where she received her Master of Music in Voice, studying under Distinguished Professor Timothy Noble. She completed her Bachelor of Music in Voice at Central Washington University, as a student of Diane Thueson Reich.

A native of Vancouver, Washington, Ms. Thoreson now resides in the Portland area, where she maintains a private voice studio in addition to her active performing schedule. She has long been one of Prometheus’ biggest fans, and is thrilled to join them for summer 2013.

Tim Whipple

Timothy Whipple, baritone, is a versatile musician with a repertoire spanning from medieval French chant to new operatic works by New England composers. He is the baritone soloist and section leader at the Church of Our Saviour-Longwood in Brookline, Massachusetts and is the Director of Vocal Studies with the Boston City Singers. He has performed with The Copley Singers, The Carr Collegium, Meravelha Medieval Music Ensemble, Prometheus and the Zefiro Singers. As a soloist, he has appeared with the Boston Metro Opera Company, the New England Conservatory Opera Theatre, and the Show-Me Opera Company.

A native of Independence, Missouri, he holds the Master of Music degree from the New England Conservatory of Music and the Bachelor of Music degree from the University of Missouri. He currently studies with baritone Michael Meraw and has previously studied under Karen Holvik, Ann Harrell, Dan Urton and Millicent Daugherty.